EP2506731A1 - Dispositif de protection acoustique à fixer à un casque de protection, destiné notamment à des ouvriers forestiers - Google Patents

Dispositif de protection acoustique à fixer à un casque de protection, destiné notamment à des ouvriers forestiers

Info

Publication number
EP2506731A1
EP2506731A1 EP11731354A EP11731354A EP2506731A1 EP 2506731 A1 EP2506731 A1 EP 2506731A1 EP 11731354 A EP11731354 A EP 11731354A EP 11731354 A EP11731354 A EP 11731354A EP 2506731 A1 EP2506731 A1 EP 2506731A1
Authority
EP
European Patent Office
Prior art keywords
rotary plate
helmet
receiving part
support bracket
earmuffs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11731354A
Other languages
German (de)
English (en)
Other versions
EP2506731B8 (fr
EP2506731B1 (fr
Inventor
Martin Greber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pfanner Schutzbekleidung GmbH
Original Assignee
Pfanner Anton
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44509811&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2506731(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pfanner Anton filed Critical Pfanner Anton
Priority to SI201130122T priority Critical patent/SI2506731T1/sl
Priority to PL11731354T priority patent/PL2506731T3/pl
Publication of EP2506731A1 publication Critical patent/EP2506731A1/fr
Application granted granted Critical
Publication of EP2506731B1 publication Critical patent/EP2506731B1/fr
Publication of EP2506731B8 publication Critical patent/EP2506731B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/16—Ear protection devices
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/10—Linings
    • A42B3/14—Suspension devices
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/10—Linings
    • A42B3/14—Suspension devices
    • A42B3/142—Suspension devices with restraining or stabilizing means, e.g. nape straps
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/10—Linings
    • A42B3/14—Suspension devices
    • A42B3/145—Size adjustment devices
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/10—Linings
    • A42B3/14—Suspension devices
    • A42B3/147—Anchoring means
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/16—Ear protection devices
    • A42B3/163—Wind or noise deflectors
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/16—Ear protection devices
    • A42B3/166—Integral hearing protection

Definitions

  • the invention relates to a hearing protection for attachment to a protective helmet, in particular for forestry workers, with two earmuffs, each of which comprises: a fork-like mounting bracket on which a hearing protection capsule is pivotally mounted, a pivotally connected to the mounting bracket rotary plate, with respect to the Support bracket is bistable in an unfolded and tilted in a folded position, and on a helmet attachable or mounted receiving part in which the rotary plate is rotatably mounted and which is rotatable between an operating position and a parking position, which are determined by stops.
  • the helmet consists of a helmet shell and an interior.
  • the interior consists of a cruciate ligament, with which the helmet is worn on the head and which ensures an impact-resistant distance between the head and the helmet shell.
  • the helmet has on its outer circumference on the side and the rear part of the helmet comprehensive projection containing four recesses for attachment of the cruciate ligament and other recesses for attachment of additional attachments at the bottom.
  • the additional attachments can be added or removed as needed.
  • At the widest points of the helmet there is a recess on the outside of the projection surrounding most of the helmet. This is the attachment point, etc. of hearing protection.
  • the hearing protection consists of two earmuffs, each comprising a wire hanger and a hearing protection capsule.
  • the hearing protector together with a face shield, is attached to the outside of the helmet by a common connector which is inserted into the protrusion.
  • a hearing protection known from the already mentioned DE 10 2007 01 1 1 10 A1 comprises a device for fastening a hearing protection capsule on the outside to a protective helmet.
  • a helmet is meant in which the helmet shape is adjusted by default so that two earmuffs outside the helmet at the edge on each side of the helmet above the position of the ear in a there existing in the helmet slot or the like. Can be releasably attached , For a receiving part of each earmuffs is designed so that it can be fixed by snap fastening in the slot. The earmuffs are worn during work in a working position in which the earmuffs are in a folded position in which they fit tightly against the ears.
  • the earmuffs can be moved to a standby position when the earmuff is temporarily not needed. In this position, the earmuffs are in an unfolded position in which they are still over the ears, but are folded away from the ears to the outside. In this position, the earmuffs can also be kept, for example, to allow a conversation during work. Finally, there is a break or park position for the earmuffs. In the park position, the earmuffs are turned outwards from the working position and upwards at the helmet. In order for the earmuffs to be moved past the helmet rim and into the park position, it is necessary to first bring the earmuffs into the ready position. Holding everyone Hearing protection capsule in the unfolded or folded position is made possible by a Wegzungige leaf spring, which connects the mounting bracket of the hearing protection capsule with a rotary plate of the earmuffs and has two bistable positions.
  • a problem that is to be solved by the known hearing protection is seen to keep the mounting bracket with the earmuff in the park position, because by gravity, the earmuff is anxious to turn from the park position down and back to the ready position.
  • the user folds the mounting bracket in the folded-up parking position inwards, so that the bistable leaf spring presses the earmuff capsule on the outside of the helmet shell.
  • the known hearing protection is therefore designed so that a secure positioning of each hearing protection capsule is effected in a parked outside the helmet parking position.
  • the receiving part has a substantially parallel to the axis of rotation projecting projection, which limits a movement of the rotary plate in a certain rotational position in concern on the mounting bracket.
  • the solution to the problem in the known hearing protection by the use of a bistable leaf spring, which is supposed to enable the mounting bracket with the ear defenders capsule occupies a defined unfolded or retracted position in the working or standby position, but at the same time for articulated connection of the support bracket is made difficult serves with the rotary plate and therefore can not have a well-defined tipping point and can cause no defined pressure exerted by the ear defenders on the ear at different head sizes of helmet users.
  • the mounting bracket Since the articulated connection between the mounting bracket and the rotary plate takes place only by the bistable leaf spring and is dependent on the two bistable end positions, the mounting bracket has neither a precisely defined unfolded position. ment still a well-defined folded position, which complicates an adaptation of the hearing protection to different head sizes.
  • the holder of the earmuffs in the park position is carried out by means of a stop which is supported by support of the leaf spring on a projection of the receiving part.
  • this support is dependent on the friction of the leaf spring on the projection and can thus change over time. Therefore, the force required on the rotary plate towards the working position to disengage the abovementioned abutment may be reduced over time, so that the user might try again to unintentionally turn the support bracket downwards with the earmuff
  • the object of the invention is to provide an ear protection of the type mentioned in such a way that the above-described problems are eliminated, so in particular the risk is eliminated that a helmet can get caught by the attached to him hearing protection in use on obstacles and an earmuffs unintentionally can turn back from the parking position to the protection position.
  • This object is inventively achieved in that the support bracket and the rotary plate are connected by a tilting joint which penetrates the support bracket and the rotary plate with a tilting axis, that an adjacent to the tilting joint between the rotary plate and a free end of the support bracket arranged bow spring the mounting bracket for abutment with other stops which define the unfolded and folded positions, biasing and thus causing its bistable tiltability and that the receiving part is formed for mounting inside a helmet.
  • the receiving part is mounted on the inside of a helmet so that the ear protection capsules and their mounting brackets are essentially internal. half of the outline of the helmet.
  • the helmet therefore offers no possibilities on the outside for hooking in obstacles such as branches and the like. If the ear protection is not needed, the earmuffs can be twisted within the outline of the helmet back to the parking position, which is located inside the helmet.
  • each earmuffs Due to the attachment of the receiving part of each earmuffs inside the helmet, in particular on the inside of the helmet shell, in addition to the support brackets and the earmuffs and the receiving parts from an external force by obstacles with which the helmet can come into contact, protected. Further, by attaching the receiving parts inside the helmet, the mounting bracket between the standby position and the parking position in a space between the helmet shell and interior twisted, so are always within the outline of the helmet shell. Accordingly, the mounting brackets and earmuffs in both positions provide no attack or Einhakf for obstacles.
  • the support bracket and the rotary plate are interconnected by a tilting joint which penetrates the support bracket and the rotary plate with a tilt axis, the disadvantages are eliminated, which arise when articulated to connect the support bracket the turntable a bistable leaf spring is used.
  • the tilting axis defines a defined pivot point, which does not change over time.
  • the invention further adjacent to the tilting joint between the rotary plate and a free end of the support bracket arranged and the mounting bracket biasing bow spring causes only the force build-up between the support bracket and the rotary plate, so does not at the same time fixed the unfolded and the folded position of the support bracket. These positions are determined by defined attacks.
  • the bow spring provides only the force to move the mounting bracket against these attacks.
  • the bow spring thus defines together with the other attacks defined end positions for the mounting bracket the unfolding and folding of the same fixed and thus causes its bistable tiltability between defined attacks.
  • the bow spring does not have the function of a support bracket bearing joint, but only serves to build up a force with which the support bracket can be kept in a defined unfolded and folded in a defined position on the other attacks.
  • the problem of unwanted downward rotation of the earmuff from the parking position down towards the standby position is greatly mitigated, if not eliminated, in the ear defenders of the invention because the earmuff is located in the park position on the inside of the helmet and on the outside of an interior of the helmet will be by pressure from both sides will have a much lower tendency to turn down from the parking position.
  • an eccentric bolt for adjusting the bias exerted by the bow spring on the mounting bracket is rotatably disposed in the rotary plate and in abutment with the bow spring. It is thus possible in a simple manner, the size of the force with which the earmuff capsule is pressed in the folded position of the support bracket against the ear to adjust.
  • a biased by a compression spring in the direction of the rotary plate slide is slidably mounted on the free end of the support bar which can be brought into contact with a slide track on the receiving part holding lug and by the mounting bracket in its folded Position is prevented from displacement and in the unfolded position is not hindered from displacement and the mounting bracket by engaging in a recess in the Sliding track of the receiving part releasably holds in its parking position.
  • the spring-biased carriage is held in this embodiment of the invention in a position with the turntable into engagement, in which the mounting bracket engages with its free end in a recess of the carriage.
  • the recess of the carriage thus forms one of the further stops, which defines the folded position of the support bracket.
  • the mounting bracket is located with its free end in a recess on the turntable, which thus forms another of the other stops and determines the unfolded position of the support bracket.
  • the carriage against the force of the compression spring by the slide track on the receiving part in the opposite direction to the rotary plate on the mounting bracket is displaced, so that the support bracket with the rotary plate in the receiving part rotated and so the mounting bracket with the ear defenders in the park position can be brought.
  • a groove extending at least over a semicircle is formed in the receiving part for receiving a circular arc-shaped shoulder of the rotary plate.
  • the rotary plate is guided in the receiving part during its rotation.
  • a push button to release the lock is arranged.
  • the mounting bracket can be so locked with its rotary plate in the receiving part by a snap fastening and released by pressing the push button.
  • Fig. 1 is a protective helmet with a hearing protection according to the invention, wherein a helmet shell in cross-section and two the hearing protection forming earmuffs in a standby position, ie, being shown folded away from the ears,
  • Fig. 2 shows the protective helmet of Fig. 1, but with the earmuffs in one
  • FIG. 3 shows the protective helmet according to FIG. 2 in a side view
  • FIG. 4 shows the protective helmet according to FIG. 3, but with the hearing protection according to the invention being pivoted into a parking position and stowed in the helmet;
  • FIG. 5 shows the protective helmet according to FIG. 4 in a view from below, wherein of the hearing protection according to the invention but only on one side an earmuff is shown;
  • FIG. 6 shows an end view of one of the two earmuffs of the hearing protection according to the invention
  • FIG. 7 shows the earmuff of FIG. 6 in a front view
  • FIGS. 6 and 7 shows the earmuffs according to FIGS. 6 and 7 in a side view and in the ready position
  • FIG. 9 shows the earmuff of FIG. 6 in a rear view
  • FIG. 10 shows the upper part of the earmuff according to FIG. 8 in a longitudinal sectional view
  • FIG. 11A shows the upper part of the earmuff of FIG. 7 together with a receiving part and rotated into the parking position;
  • FIG. the earmuffs of Figure 1 1 A in a side view. the earmuffs of Figure 1 1 A turned back to the ready position;
  • the earmuffs of Figure 12A in a side view. the earmuffs of Figure 12A, but in the working position; the earmuffs of Figure 13A in a side view. and in a view obliquely from below, the sake of clarity, the interior is not shown and only one of the earmuffs mounted on the inside of the helmet shell receiving part is shown as a detail of the helmet shell of the helmet.
  • the ear protection 33 comprises two earmuffs 34a, 34b.
  • the hard hat 30 has a helmet shell 36 and an interior trim assembly, generally designated 40, which includes a carrier basket 42, a headband 44, and a neckband 46.
  • the neckband 46 is equipped with a total of 48 designated clamping unit.
  • the helmet shell 36 is dimensioned (that is, its inside width is so long and so wide), and the support arms are dimensioned and arranged such that there is a free space 60 between the interior trim assembly 40 and the helmet shell 36 for receiving parts.
  • the other helmet accessories include the already mentioned clamping unit 48 of the neck band 46.
  • the clearance 60 is dimensioned with respect to the ear protection 33 so that the earmuffs 35a, 35b abut in the park position on the inside of the helmet shell 36 and on the outside of the interior trim assembly 40, as can be seen in Fig. 5.
  • An ear protection device 33 has two receiving parts 80a, 80b mounted on the helmet shell 36 inside.
  • the receiving parts 80a, 80b are pivot bearings for mounting brackets 37a, 37b with the earmuffs 35a and 35b, which is described in more detail below.
  • the receiving parts 80a, 80b are each formed as a bearing cup of the pivot bearing on the helmet shell 36 inside or, preferably, fixedly attached as additional parts.
  • FIG. 14 shows in a view obliquely from below the helmet shell 36 without the interior trim assembly 40, wherein in particular the position of the receiving part 80a on the inside of the helmet shell 36 can be seen.
  • the other, not visible receiving part 80b is mounted in mirror image on the opposite side.
  • 1 shows the protective helmet 30 with the ear protection 33 present on both sides, wherein the helmet shell 36 is shown in cross section and the earmuffs 34a, 34b are unfolded, ie folded away from the ears in the ready position.
  • Fig. 2 shows the protective helmet of Fig. 1, but with the earmuffs 34a, 34b shown folded to the ears in the working position.
  • FIG. 1 shows the protective helmet 30 with the ear protection 33 present on both sides, wherein the helmet shell 36 is shown in cross section and the earmuffs 34a, 34b are unfolded, ie folded away from the ears in the ready position.
  • Fig. 2 shows the protective helmet of Fig. 1, but with the earmuffs
  • FIG. 3 shows the protective helmet according to FIG. 2 in a side view.
  • FIG. 4 shows the protective helmet according to FIG. 3, wherein, however, the earmuffs 34a, 34b are rotated backwards into a parked position and stowed in the helmet 30.
  • the two earmuffs 34a, 34b include the two earmuffs 35a, 35b, each in the fork-like support bracket 37a and 37b are pivotally mounted.
  • the helmet shell 36 is provided on its inside with the fixedly mounted receiving parts 80a, 80b.
  • the support bracket 37a, 37b are mounted rotatably mounted at their free ends rotary plates 39a and 39b, as can be seen in Figs. 6 to 13.
  • the receiving parts 80a, 80b and the mounting brackets 37a, 37b are arranged and formed such that the mounting brackets 37a, 37b are rotatable in the free space 60 between two positions, the working position shown in FIGS. 2 and 3, in which the earmuffs 35a, 35b are folded away from the ears, and the parking position shown in Fig. 4, in which the earmuffs 35a, 35b are stowed in the free space 60 in the helmet 30.
  • Each support bracket 37a, 37b is formed in a region between its two ends, in which it extends in the free space 60, spring loaded kinked, so that the earmuffs 35a, 35b are folded in non-bent position of each support bracket 37a, 37b respectively from the ear as shown in Fig. 1, and in the bent position of the support bracket 37 a, 37 b are folded respectively to the ear, as shown in Fig. 2.
  • the two earmuffs 35a, 35b each reach a position that is much further inward than the ear to which each earmuff 35a, 35b is intended to rest. In other words, the mutual distance of the earmuffs in this case is much smaller than the mutual distance of the ears.
  • each support bracket 37a, 37b can be moved by hand in the folded and in the unfolded position. In each of these positions causes the bow spring 92a and 92b in cooperation with each stop described below an end position lock.
  • the limit stop of the mounting brackets 37a, 37b should be helmet can not be achieved if each hearing protection capsule 35a, 35b is to be held pressed against the ear resiliently.
  • each receiving part 80a, 80b and each support bracket 37a, 37b with rotary plate 39a, 39b formed so that the support bracket can be rotated only from the position shown in Fig. 1 to the rear. This ensures that the earmuffs 35a, 35b can be stowed in the free space 60 behind the ear, without colliding with the ears and the lower edge of the helmet shell 36.
  • Fig. 6 shows of the hearing protection 33 the earmuffs 34a, b in a rear view.
  • the earmuffs 34a and 34b are the same design, so right and left of the helmet 30 can be used.
  • the only difference is the design of the receiving part 80a, b, because this has a decreasing in the direction of the rear slide track 86a, b.
  • the receiving part 80a is shown in FIG.
  • the receiving part 80a is also shown in FIGS. 11-13.
  • the hearing protection capsule 35a, b is pivotably mounted on the fork-shaped mounting bracket 37a, b.
  • the mounting bracket 37a, b is a rotary plate 39a, b articulated by a in Fig. 8 to be detected tilting joint 82a, b.
  • the tilting joint 82a, b is formed by a tilting axis 84a, b, which is formed as a pin-shaped axis, which is inserted into bores in the support bracket 37a, b and in the rotary plate 39a, b and thus penetrates the support bracket and the rotary plate.
  • the support bracket 37a, b is due to the existing tilting joint 82a, b in the unfolded position (standby position) and in the folded position (working position) tilted when the earmuffs 34a, b is in its position on the ear.
  • the earmuffs 35a, b abut the ear.
  • the earmuffs 34a, b occupy the ready position in which it is unfolded, so the earmuff is not pressed against the ear.
  • This standby position is shown in FIG. 12.
  • the earmuffs 34a, b can only be rotated in a reduced angular range.
  • the receiving part 80a, b which is normally fixed to the inside of the helmet 30, more specifically to the inside of the helmet shell 36, is also shown in Figs. 10-13 for explanatory purposes.
  • the rotary plate 39a, b is rotatably mounted and between the standby position of FIG. 12 and the parking position of FIG. 1 1 pivotally.
  • the working position and the parking position are determined by stops, which is described in more detail below.
  • the folded away from the ear support bracket 37a, b is held by the biasing force of the bow spring 92a, b with its free end 38a, b to a stop 41 a, b , which is formed by a cover plate 51 a, b, which is rigidly connected to the rotary plate 39 a, b.
  • the bias of the bow spring 92a, b keeps the mounting bracket 37a, b stable in abutment against the stop 41 a, b.
  • the receiving part 80a, b has a recess 89a, b into which the free end 38a, b of the support bracket 37a, b can be pivoted from the standby position shown in FIG. 12B into the working position shown in FIG. 13B is.
  • a stop 41 a, b opposite wall of the receiving part 80 a, b forms a further stop 43 a, b, at which the free end 38 a, b of the support bracket 37 a, b in the working position shown in Fig. 13B by the bias of the bow spring 92 a, b is held.
  • the hinged to the rotary plate 39 a, b support bracket 37 a, b blocked in the working position with its free end 38 a, b rotation of the support bracket 37 a, b in the parking position shown in Fig. 1 1.
  • the rotatability and fostvermosles the rotary plate 39a, b are determined by a section shown in FIGS. 10-13 slide 98a, b.
  • the carriage 98a, b is above the free end 38a, b of the support bracket 37a, b slidably mounted on an extension of the rotary plate 39 a, b and biased by a compression spring 98 a, b in the direction of the rotary plate 39 a, b.
  • the receiving part 80a, b is provided at its lower edge with a slide track 86a, b.
  • FIGS. 10-13 show only the receiving part 80a which is connected to the linear ken helmet side is attached. Accordingly, in these figures, the slide track is also designated only 86a.
  • the carriage 98a, b has a retaining lug 104a, b, which can be brought into contact with the guide track 86a, b, and is prevented from displacement by the mounting bracket 37a, b in its folded-in position as shown in FIG. 13B, but in FIG the unfolded position of Figures 1 1 and 12 is not hindered from displacement.
  • the carriage 98a, b is not hindered by the located in the unfolded position support bracket 37a, b at a shift and holds the support bracket 37a, b by engaging in a recess 87a, b in the slide track 86a, b of the receiving part 80a, b releasably in the Park position. Due to the rotational movement from the ready position according to FIG.
  • the carriage 98a, b is displaced.
  • the displaced carriage 98a, b does not allow the mounting bracket 37a, b to move in the direction of the working position, ie in the direction of the folded-in position of the support bracket 37a, b.
  • the carriage 98a, b is free and the mounting bracket 37a, b can thus be rotated into the parking position according to FIG.
  • the carriage 98a, b is not displaceable, so that the mounting bracket 37a, b with the hearing protection capsule 35a, b is not rotatable into the parking position.
  • a groove 85a, b is formed, which extends at least over a semicircle and serves to receive a circular arc-shaped shoulder 49a, b of the rotary plate 39a, b, as can be seen in Fig. 10.
  • the receiving part 80a, b has a to the rotary plate 39a, b projecting resilient tongue 81 a, b.
  • the resilient tongue 81 a, b engages in a complementary recess 83 a, b in the rotary plate 39 a, b, to lock the mutual engagement of receiving part 80 a, b and rotary plate 39 a, b.
  • a push button 50a, b arranged to release the lock.
  • the resilient tongue 81 a, b in Fig. 10 urged to the right, whereby the snap fastening between the receiving part 80 a, b and the rotary plate 39 a, b is released again.
  • Each hearing protection capsule 35a, b is concavely curved on its side facing the ear in the longitudinal direction in order to better adapt to the ear and head shape can. This results in a better pressure distribution on the ear and allows a better closure against the ingress of noise with less pressure.

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Helmets And Other Head Coverings (AREA)

Abstract

L'invention concerne un dispositif de protection acoustique (33) à fixer à un casque de protection (30), destiné notamment à des ouvriers forestiers, comprenant deux éléments de protection acoustique (34a, 34b), dont chacun présente un arceau de support (37a, 37b) fourchu, pourvu d'une coque de protection acoustique (35a, 35b) montée pivotante sur ce dernier et d'une plaque rotative qui est raccordée à l'arceau de support (37a, 37b) par une articulation pivotante et par rapport à laquelle l'arceau de support (37a, 37b) peut pivoter dans deux positions stables : une position déployée et une position rétractée. La plaque rotative est montée de manière à pouvoir tourner dans un élément de logement (80a, 80b) placé sur le casque (30). Un ressort d'arceau, agencé entre la plaque rotative et l'arceau de support (37a, 37b), exerce une précontrainte sur ce dernier de sorte qu'il vienne en appui contre des butées qui fixent la position déployée et la position rétractée. L'élément de logement (80a, 80b) est monté à l'intérieur du casque (30). Les éléments de protection acoustique (34a, 34b) peuvent ainsi tourner pour être placés en position de rangement à l'intérieur du casque.
EP11731354.4A 2010-07-13 2011-07-12 Dispositif de protection acoustique à fixer à un casque de protection, destiné notamment à des ouvriers forestiers Active EP2506731B8 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI201130122T SI2506731T1 (sl) 2010-07-13 2011-07-12 Zaščita za sluh za pritrditev na zaščitno čelado, še zlasti za gozdne delavce
PL11731354T PL2506731T3 (pl) 2010-07-13 2011-07-12 Ochronnik słuchu do mocowania na hełmie ochronnym, zwłaszcza dla pracowników leśnych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010026997A DE102010026997A1 (de) 2010-07-13 2010-07-13 Gehörschutz zur Befestigung an einem Schutzhelm, insbesondere für Forstarbeiter
PCT/EP2011/061882 WO2012007475A1 (fr) 2010-07-13 2011-07-12 Dispositif de protection acoustique à fixer à un casque de protection, destiné notamment à des ouvriers forestiers

Publications (3)

Publication Number Publication Date
EP2506731A1 true EP2506731A1 (fr) 2012-10-10
EP2506731B1 EP2506731B1 (fr) 2013-12-04
EP2506731B8 EP2506731B8 (fr) 2015-11-04

Family

ID=44509811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11731354.4A Active EP2506731B8 (fr) 2010-07-13 2011-07-12 Dispositif de protection acoustique à fixer à un casque de protection, destiné notamment à des ouvriers forestiers

Country Status (23)

Country Link
US (1) US20130219598A1 (fr)
EP (1) EP2506731B8 (fr)
JP (1) JP6046614B2 (fr)
KR (1) KR101906611B1 (fr)
CN (1) CN103037725B (fr)
AU (1) AU2011278351B2 (fr)
BR (1) BR112013000582B1 (fr)
CA (1) CA2804479C (fr)
CL (1) CL2013000121A1 (fr)
DE (1) DE102010026997A1 (fr)
DK (1) DK2506731T3 (fr)
EA (1) EA025775B1 (fr)
ES (1) ES2450146T3 (fr)
HR (1) HRP20140165T1 (fr)
MX (1) MX2013000462A (fr)
MY (1) MY184589A (fr)
NZ (1) NZ606390A (fr)
PE (2) PE20150298A1 (fr)
PL (1) PL2506731T3 (fr)
SI (1) SI2506731T1 (fr)
UA (1) UA107842C2 (fr)
WO (1) WO2012007475A1 (fr)
ZA (1) ZA201300325B (fr)

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EP3094199B1 (fr) * 2014-01-14 2019-07-24 Gentex Corporation Ensemble bras pivotant pour un casque-micro monté sur un casque
AU2015253572B2 (en) * 2014-05-02 2018-04-12 3M Innovative Properties Company Ear muff attachment having dual axis of rotation
USD741550S1 (en) 2014-05-02 2015-10-20 3M Innovative Properties Company Ear muff attachment arm
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CA3016405C (fr) * 2015-03-03 2023-11-14 Valley Children's Healthcare Capitonnage pour crane
WO2016179369A1 (fr) 2015-05-07 2016-11-10 Impact Labs Llc Dispositif permettant de réduire au minimum l'impact de collisions pour un casque
DE102016100086A1 (de) * 2016-01-04 2017-07-06 Pfanner Schutzbekleidung Gmbh Ohrschützer, Kommunikationssystem und Schutzhelm
US20180168270A1 (en) * 2016-12-21 2018-06-21 Safariland, Llc Rail Connector For Earcup Suspension Assembly
CA2991866C (fr) * 2017-01-16 2020-03-24 Safariland, Llc Mecanisme de fixation de fil
CN115153144A (zh) * 2017-01-25 2022-10-11 贝尔运动股份有限公司 集成肩垫的头盔
EP3481243B1 (fr) 2017-02-21 2020-11-11 Unit 1 Gear, Inc. Ensemble écouteurs et casque
USD876017S1 (en) * 2017-05-10 2020-02-18 3M Innovative Properties Company Attachment arm
CN107462356B (zh) * 2017-08-08 2023-03-14 贵州大学 一种矿山压力表防护装置
USD866084S1 (en) 2018-05-18 2019-11-05 Gentex Corporation Headset mount arm
FR3083441B1 (fr) * 2018-07-06 2020-06-19 Msa Europe Gmbh Dispositif de protection auditive
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RU190133U1 (ru) * 2018-12-21 2019-06-21 Общество с ограниченной ответственностью "СТ-Логистик" Наушник
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Publication number Publication date
EA025775B1 (ru) 2017-01-30
CL2013000121A1 (es) 2013-07-19
BR112013000582A2 (pt) 2016-07-05
NZ606390A (en) 2015-02-27
HRP20140165T1 (hr) 2014-03-28
CA2804479C (fr) 2018-03-20
AU2011278351A1 (en) 2013-02-14
CN103037725B (zh) 2015-11-25
DK2506731T3 (da) 2014-03-03
MY184589A (en) 2021-04-06
JP6046614B2 (ja) 2016-12-21
AU2011278351B2 (en) 2016-06-09
DE102010026997A1 (de) 2012-01-19
KR101906611B1 (ko) 2018-10-10
CA2804479A1 (fr) 2012-01-19
EP2506731B8 (fr) 2015-11-04
PE20131199A1 (es) 2013-11-20
EA201300114A1 (ru) 2013-07-30
JP2013531148A (ja) 2013-08-01
UA107842C2 (en) 2015-02-25
EP2506731B1 (fr) 2013-12-04
WO2012007475A1 (fr) 2012-01-19
KR20130135231A (ko) 2013-12-10
MX2013000462A (es) 2013-12-02
CN103037725A (zh) 2013-04-10
US20130219598A1 (en) 2013-08-29
SI2506731T1 (sl) 2014-04-30
ES2450146T3 (es) 2014-03-24
PE20150298A1 (es) 2015-03-04
PL2506731T3 (pl) 2014-05-30
ZA201300325B (en) 2014-03-26
BR112013000582B1 (pt) 2020-09-29

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